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Finding the Fourth Proportional to 4,681.92, 6,468.96 and 3,624

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Solution

The fourth proportional to 4,681.92, 6,468.96 and 3,624 is: 5,007.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.92 : 6,468.96 = 3,624 : x
  2. Step 2: Convert to fraction form
    4,681.92/6,468.96 = 3,624/x
  3. Step 3: Cross multiply
    4,681.92x = 6,468.96 × 3,624
  4. Step 4: Simplify right side
    4,681.92x = 23,443,511.04
  5. Step 5: Solve for x
    x = 23,443,511.04/4,681.92
  6. Step 6: Final answer
    x = 5,007.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.